diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 9 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index f316916fe65..db6d71c8997 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -390,7 +390,7 @@ struct intel_fbc_work; struct intel_gmbus { struct i2c_adapter adapter; - bool force_bit; + u32 force_bit; u32 reg0; u32 gpio_reg; struct i2c_algo_bit_data bit_algo; diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index c2c6dbc0971..3ef5af15b81 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -432,7 +432,7 @@ timeout: I915_WRITE(GMBUS0 + reg_offset, 0); /* Hardware may not support GMBUS over these pins? Try GPIO bitbanging instead. */ - bus->force_bit = true; + bus->force_bit = 1; ret = i2c_bit_algo.master_xfer(adapter, msgs, num); out: @@ -491,7 +491,7 @@ int intel_setup_gmbus(struct drm_device *dev) /* gmbus seems to be broken on i830 */ if (IS_I830(dev)) - bus->force_bit = true; + bus->force_bit = 1; intel_gpio_setup(bus, port); @@ -532,7 +532,10 @@ void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit) { struct intel_gmbus *bus = to_intel_gmbus(adapter); - bus->force_bit = force_bit; + bus->force_bit += force_bit ? 1 : -1; + DRM_DEBUG_KMS("%sabling bit-banging on %s. force bit now %d\n", + force_bit ? "en" : "dis", adapter->name, + bus->force_bit); } void intel_teardown_gmbus(struct drm_device *dev) |